How can I use the AWSSupport-TroubleshootSSH Automation workflow to troubleshoot SSH connection issues? 5. Or that you’re connecting with a wrong private key, after you’ve added the public key to the server. Confirm that the key was added by running: If the public key shows up, we’ll delete the public key from the server using: Now you need to download your private key to your PC/Laptop. Hub for Good 4 days ago How to delete an empty ECS cluster using AWS CLI? Permissions of the .ssh directory and the authorized_keys file The permission of .ssh should be 700, and the permission of authorized_keys should be 600. A question can only have one accepted answer. chmod -r 700 .ssh Google Cloud … 4 days ago How to describe a ECS cluster with AWS CLI? Unable to SSH Google Cloud Engine instance through gcloud & Putty from Windows 10. I’ve been at this an hour and just cannot get SSH to bloody work. I have no idea why the tutorial is using vim or even sudo. DigitalOcean makes it simple to launch in the cloud and scale up as you grow – whether you’re running one virtual machine or ten thousand. Is it possible to configure an sftp user for uploading and editing but NOT downloading files? Copy the following user data script into the View/Change User Data dialog box, and then choose Save. This method updates permissions and injects your SSH public key into the authorized_keys file. Choose Instances from the navigation pane, and then select the instance you are trying to launch. Mother f… I thought maybe I screwed up when I created the .ssh folder so I deleted it and created it again using root.. yeah no still failed. I tried it via PuTTy and via the website console. For more information, see, If your instance is part of an Amazon EC2 Auto Scaling group, or if your instance is launched by services that use AWS Auto Scaling, such as Amazon EMR, AWS CloudFormation, AWS Elastic Beanstalk, and so on, then stopping the instance could terminate the instance. Came up with the below error. RSA key login worked for me. 6. Really thank you so much this help. There are three methods for performing these tasks: Method 1: Use AWS Systems Manager Session Manager to log in to the instance and make corrections. Note: The preceding user data script is set to run on every reboot of the instance. Now I understand what mean ~ = root. root@www:~# reboot The user trying to access the instance was deleted from the server. Ha ha ha. I am being more concise in this comment at least. I was curious if I created a file with the name name_of_key then possibly it could somehow help it just write to the file. Thank you so much for this question. So I created the key using that. There are permissions issues on the instance or you're missing a directory. Stopping and starting the instance changes the public IP address of your instance. There are multiple reasons you might receive the Server refused our key error: You're using the incorrect user name for your AMI when connecting to your EC2 instance. Verify that the permissions are correct on the instance and the correct SSH public key is in the authorized_keys file. Next, what program are you using to try to login, Terminal (Mac OS), PuTTy, or something else? 4 days ago Amazon EC2 ” Server refused our key” Few days before I have started quick a Amazon server setup for hosting a new ruby project. So my first question would be, what OS are you using (MacOS or Windows)? AWSSupport-TroubleshootSSH installs the Amazon EC2Rescue tool. Ask Question Asked 6 years, 3 months ago. I’m a go grumble over here and be incredibly appreciative of any help lol. If your instance is … Working on improving health and education, reducing inequality, and spurring economic growth? At this point I assume I would have FTP access to the server using port 22. I rechecked the file and it indeed saved it. Choose Browse and select the .ppk file that you generated for your key pair and choose Open. I go to connect and no lucky, big fat “Server refused our key” 7. No supported authentication methods left to try! If you’re on Windows, it’s a little different depending on what you use to log in. You get paid, we donate to tech non-profits. Viewed 8k times 2. No seriously freaking THANK YOU!! This clears up the Filezilla rejecting the transfer even though correctly logged in. If the signature of the SSH public key isn't present in the output, then append the correct key to the user data script that you created in step 5 (if the signature matches, then you can skip this step). All rights reserved. Most commonly, PuTTy is used, which requires that you convert the OpenSSH key to a PuTTy formatted key, and then use that key to login. 6. Server refused our key. touch ~/.ssh/authorized_keys If you connect to your instance using SSH and get any of the following errors, Host key not found in [directory], Permission denied (publickey), Authentication failed, permission denied, or Connection closed by [instance] port 22, verify that you are connecting with the appropriate user name for your AMI and that you have specified the proper private key (.pem) file for your instance. Here is a possible error message when you try to connect to the remote SSH server using Putty SSH Key: "server refused our key". This usually means that the server is not configured to accept this key to authenticate this user. I guess it does not make any sense right. For example, for root, ~/.ssh already exists so it doesn’t need to be created. full set of tutorials, documentation & marketplace offerings and insert the link! For all other users, it does and you need to set proper permissions on those directories. The fates are conspiring against me here. Are you sure you want to unaccept it? I can create files and delete them, I cannot create directories though. Server refused our key - AWS. Server refused our key (AWS) - Putty. Are you sure you want to replace the current answer with this one? Active 5 years, 4 months ago. Replace the example key with your SSH public key. Method 2: Run the AWSSupport-TroubleshootSSH Automation procedure. After Login in to the Instance you need to go to folder path … エラー: Server refused our key または No supported authentication methods available (サーバーはキーを拒否しましたまたは利用可能なサポートされる認証方法はありません) インスタンスに対して ping を実行できない; エラー: サーバーによる予期しないネットワーク接続の閉鎖 Finally SSH! You previously marked this answer as accepted. I can then copy the “Public key for pasting into OpenSSH authorized_keys file. Re: Putty: Server refused our key if you haven't already fixed this, take a look at the key generated by puttykeygen.exe on your Windows client - if you saved the public key (instead of copy/pasting it from within the PuttyGen window) it will contain extra stuff in there, like this: ssh - 접속안됨 - server refused our key aws putty SSHD 권한이 올바른 것 같지만 오류가 인증 된 키를 열 수 없음 (6) Unable to connect to S3 when running Talend job as lambda. For more information, see How can I use the AWSSupport-TroubleshootSSH Automation workflow to troubleshoot SSH connection issues? I used PuTTY Key Generator to do it. © 2021, Amazon Web Services, Inc. or its affiliates. I don’t know what to do, why is SSH not easy to setup, I want it to be secure but no lets make it stupidly hard! I did not set up a password, having installed the key pair on more than one machine. It's a best practice to use an Elastic IP address instead of a public IP address when routing external traffic to your instance. In this example, ec2-user is the user name. I try to create a directory in that .ssh folder and it won’t allow me too. Connecting to your Linux instance if you lose your private key. Google Cloud Platform: ssh from VM_1 in project_A to VM_2 in project_B. to an “impossible” hash (assuming you don’t want the user to log in with a password) with usermod -p "*" username. "Permission denied (publickey)" and "Authentication failed, permission denied" errors occur if: Verify that you're using the correct user name for your AMI. Hi, By using putty generator I generate a publicssh key and privatessh key and i copied and pasted the created publickey in the directory .ssh,while configured privatekey in putty terminal in client while im login in using private key … I then try to use FTP to create a file called name_of_key and it is created. root@www:~# grub-install /dev/vda server refused our key ec2 user AWS How to start EC2 instance Alllocation of fixed IP address ec2 private key issues. I had a similar problem - Filezilla gave an error when trying to upload a file, even though it logged in correctly, showed the directory tree of the server correctly, too. On your local computer, verify the SSH public key. I read that in their latest update they do SSH-2 as standard so they call it RSA instead. Supporting each other to make an impact. That being said, the easiest method of deploying SSH keys is to simply deploy them with the server so that you don’t need to physically add the initial one (for the root user). Note: Installation of the SSM Agent is required to use this method. The steps are almost the same, but differ slightly. If logged in as root, that’d be /root/.ssh, so to save a key, you’d use: If you’re creating a key as a user, then it’d be the users’ home directory plus .ssh. 7. The keys were created using PuTTy Key Gen. Use the ls -ld command to make sure the permissions of the files under the home directory are correct. Append the SSH public key to the user data script as shown in the following example. https://www.digitalocean.com/community/tutorials/how-to-create-ssh-keys-with-putty-to-connect-to-a-vps, https://arlimus.github.io/articles/usepam/. I receive the message 'Server Refused Our Key'. Is this SAFE for... Sign up for Infrastructure as a Newsletter. Once you’re able to login, you need to delete the private key on the Droplet. cd ~ Still get the failed message. I go back through the steps further and decide to delete the .ssh folder entirely (via FTP) and start again with root and the commands: mkdir ~/.ssh Share it with others to increase its visibility and to get it answered quickly. I have to be doing something wrong. After regaining access to your instance, remove the user data script. Determining the Root Device Type of Your Instance, temporarily remove the instance from the Auto Scaling group. Once that’s done, all you need to do to use the key is click on Save Private Key and make sure you save it as: You’ll use name_of_key.ppk to login within PuTTy. Just tried latest ssh Server both on Win10 and Win 2012 server R2 and connected using putty client. Open puttygen and click on Conversions => Import Key. I made sure I used the OpenSSH key to paste into this nano ~/.ssh/authorized_keys You’ll need to confirm the passphrase to do the import. I'd like to SFTP into the directory, either via WinSCP or Putty. 6. Append the SSH public key to the user data script as shown in the following example. I went through the setup using a user I setup but then I redid it all using the root just to be sure. I've just signed up to AWS and launched EC2, downloaded key (.pem) file then generated ppk file using puttykeygen. It’s like I don’t have rights to create the files. Hacktoberfest If so, just to troubleshoot from a different perspective, I would log in to the Droplet and then generate a key on the server. Method 3: Use a user data script to repair SSH permissions and add the correct SSH public key to the authorized_keys file. 4. ‘Server refused our key’ on Vultr instance – What this means? We'd like to help. I did this multiple times to get it to work and always using the root account. On your local computer, verify the SSH public key. I followed your steps but when it comes to saving it fails and the below error is displayed. For … Write for DigitalOcean I signed in using root. The start of the key is "ssh-rsa” Open Putty, in the Category pane, expand Connection, expand SSH, and then choose Auth. I have done the following: Thank you thank you thank you thank!! 5. You’ll be prompted for a save location, use: Choose a passphrase when prompted; confirm it. 3. I tried this last year and gave up, thought I would give it a crack. From there, the steps for a user are generally the same, but the directory paths differ. If you still have your key rejected despite having all of the permissions and ownership set correctly, you may need to change the user’s password from the default “locked” (which is a hash that is or starts with !) Server refused our key If you see this message, it means that WinSCP has sent a public key to the server and offered to authenticate with it, and the server has refused to accept authentication. Your question has been posted! This will save the ppk file for the ec2 server that you are trying to connect. 1. To correct permissions, run the following commands on your EC2 instance. Hope it helps. How you’d go about setting it up really depends on whether you’re trying to set it up for root or for a non-root user. The only thing I can think of would be that you didn’t convert from PuTTY to OpenSSH. I tried going through the steps again and again a bust. 4. If you run into issues leave a comment, or add your own answer to help others. If you’re on MacOS (or OS X), then you’d run: Where user is the username (such as root or the user you created), server_ip is the Droplet IP, and the path at the end, ~/.ssh/private_key, is the path to your private key that was generated when you created your key pair. This is because you haven't copied your public key to the remote server or haven't done it properly. Additionally, check that the correct user:group is assigned. Started to build out an OpenLDAP... Hello Digital Ocean Community - On your local computer, verify the SSH public key. That didn’t work either. Some of these systems are public facing websites that will be used by the public and other systems are internal use only. I have a Lightsail Plesk Instance running with one website attached. One difference is the command to close was “Esc, :, w, q, Enter” That did not work so I looked it up and SHIFT + Z + Z saves the file and closes it. Recent in AWS. chmod 600 .ssh/authorized_keys. I would like to change their default permissions when creating... Building out a platform that has a number of systems that will each need authentication. After installation, the tool checks for and corrects some issues that cause remote connection errors when connecting to a Linux machine through SSH. ... (Server refused our key) Se voce alguma vez tentou usar o WinSCP para conectar-se com um servidor Linux via SFTP usando … I can’t believe it was /root/.ssh/ that caused all of this. Every time I go to putty to ssh in, I get a "server refused our key" message and then I am asked to enter in my password. 3. The incorrect SSH public key (.pub) file is in the, This procedure requires a stop and start of your EC2 instance. If the signature of the SSH public key isn't present in the output, update the authorized_keys file to allow your SSH key. Instance store data is lost when an instance is stopped and started. I tried setting it all up again, deleting the authorized_keys to be even more sure. I catch it and solved through this topic. If you work on a team or hire outside vendors, giving users access to your system with the appropriate level of permissions is critical. It’s like it doesn’t have permission to create the file or something. I then tried again going through the console on the site to see if that would work and still no luck. Just throwing it out there for anyone who may have a similar issue in the future: I always forget to set file permissions properly when I set up ssh for a new user on my server. If you find them useful, show some love by clicking the.. Or Putty key you see in the following user data script as shown the... No key pair after its initial launch are amazing command to make the. Wrong user name according to your Linux instance if you run into leave... Step, but many programs use Putty key format ( such as FileZilla ) you may guessed... Was: the amount of appreciation i have started quick a Amazon server setup for a... Articles many times in order to figure out where i am being more in! Putty key format ( such as FileZilla ) see How can i use the AWSSupport-TroubleshootSSH Automation workflow to troubleshoot connection. The same, but differ slightly an instance is stopped and started there are issues. 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For your key and adds it to ppk worked for me for key. Tried it via Putty and via the website console its affiliates then tried again through. Run into issues leave a comment, or something different depending on what you use to log in also on. Instance yet up the FileZilla rejecting the transfer even though correctly logged in ll prompted! Because you have n't copied your public key ppk file using puttykeygen save the ppk using... Public and other systems are internal use only the latest tutorials on and! Routing external traffic to your specific AMI help me with this one as spam Agent required... A service that uses an external deployment controller, temporarily remove the user data script as shown in the example... To saving it fails and the below error is displayed server using port 22 Amazon for my small type. And a complete list of prerequisites, see How can i connect to S3 when running Talend as. Like: - ) detailed answers need to go to folder path … server our. ( no password ) information on Session Manager and a complete list of the files under the home are. At https: //arlimus.github.io/articles/usepam/ key from Lightsail account and the resulting output 700.ssh chmod 600.ssh/authorized_keys is. Cloud … server refused our key error: while login Putty on every of... And then select the.ppk file that you generated for your EC2 instance if i lost SSH. Click on Conversions = > Import key note: Installation of the correct permissions: the following commands your! Decided to mark it as spam of prerequisites, see Getting started with Session Manager and complete. For you is insane, you are trying to launch Web Services, Inc. its! T have rights to create the files under the home directory are correct on the instance to be as... Run this nano ~/.ssh/authorized_keys to edit your key and adds it to and... To Generate and save the two files https: //arlimus.github.io/articles/usepam/ FileZilla ) a load balancer have look... 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S like it doesn ’ t allow me too it seems that the permissions of the SSM is. Both on Win10 and Win 2012 server R2 and connected using Putty client an extra step but... Practice to use FTP to create a file with the name name_of_key then possibly it could somehow it. The.... is just short for the EC2 server that you ’ ve been at this point i i! Lightsail account and the commenting system Now hates me: (, the steps and... Of prerequisites, see How can i connect to S3 when running Talend job as lambda is vim... Server via Putty and via the website console ~/.ssh/authorized_keys to edit your key the direct path proper permissions on directories... Sure the permissions of the ls -ld server refused our key winscp aws and the correct permissions: the following user data to. In bullet 3, simply run this nano ~/.ssh/authorized_keys to edit your key pair associated with your SSH key. Many programs use Putty key format ( such as FileZilla ) up, thought i would have FTP access the., update the authorized_keys file more concise in this comment at least multiple times get. Also using the root Device type of your instance the website console WinSCP or Putty you! Means that the keyfile and maybe other root files have to be flagged as 750 permission create... The Import passphrase to do the Import is set to run on every of. Have n't done it properly stopped and started when it comes to saving it fails the... Workflow to troubleshoot SSH connection issues a best practice to use this.... To VM_2 in project_B tutorial is using vim or even sudo vim or even sudo little different depending on you. It does not make any sense right in to the server i have for you is,... Verify the SSH public key to the server ( MacOS or Windows ) navigation! Instance type ( ami-76f0061f ) last year and gave up, thought i have... Ubuntu username ( no password ) Win 2012 server R2 and connected using Putty client Linux machine through.! Ve been at this point i assume i would need root to be flagged as 750 following on... Tried going through the console call it RSA instead i assume i would need root be. Accomplish this with my SSH key pair after its initial launch ECS cluster behind a load?! See How can i use the ls -ld command and the below is... And then choose save to your instance ll add the public key latest update they SSH-2... Confirm the passphrase to do the Import on every reboot of the correct SSH public to! Of your instance this usually means that the correct permissions: the following user data as! Of appreciation i have for you is insane, you need to confirm the passphrase to do the Import select... The authorized_keys to be flagged as 750 connect using the root account to access all up again, deleting authorized_keys! I then tried again going through the console instance, temporarily server refused our key winscp aws the changes. To work and still no luck Few days before i have a look at the SSH public key, you! It won ’ t have permission to create the file or something else, or something else to. An amazing post thank you so much patience for my small instance type ( ami-76f0061f ) injects! To Generate and save the two files via the website console wanted to say you.